package com.mall.framework.config;

import java.util.Locale;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
import org.springframework.web.servlet.i18n.SessionLocaleResolver;

/**
 * 资源文件配置加载
 * Created by zhonglin on 2020/4/8.
 */
@Configuration
public class I18nConfig
    implements WebMvcConfigurer {

  @Bean
  public LocaleResolver localeResolver() {

    SessionLocaleResolver slr = new SessionLocaleResolver();
    // 默认语言
    slr.setDefaultLocale(Locale.SIMPLIFIED_CHINESE);
    return slr;
  }

  @Bean
  public LocaleChangeInterceptor localeChangeInterceptor() {

    LocaleChangeInterceptor lci = new LocaleChangeInterceptor();
    // 参数名
    lci.setParamName("lang");
    return lci;
  }

  @Override
  public void addInterceptors(InterceptorRegistry registry) {

    registry.addInterceptor(localeChangeInterceptor());
  }

}